Great Dark Spot

The Cassini spacecraft returns a grand and unique vista of Saturn's horizon, reminiscent of the views of our own planet from Earth orbit. Similar to the view from Swirling With Shadows, the high ...

The Cassini spacecraft looks toward the dark side of Titan as a circle of light is produced by sunlight scattering through the periphery of the atmosphere of Saturn's largest moon. A detached, hig...

Related QuickTime Movie Mimas' shadow traverses the sunlit side of Saturn's rings in this movie and mosaic showcasing the unusual sights seen at Saturn as the planet approaches its August 2009 equ...

This false-color view of the rings of Uranus was made from images taken by Voyager 2 on Jan. 21, 1986, from a distance of 4.17 million kilometers (2.59 million miles).

This image, taken by NASA's Dawn spacecraft, shows a portion of the southern hemisphere of dwarf planet Ceres from an altitude of 915 miles (1,470 kilometers). Toharu crater, named for the Pawnee g...

Voyager 2 obtained this high-resolution picture of Saturn's rings on August 22, 1981 when the spacecraft was 4 million km (2.5 million mi) away. Evident here are the numerous "spoke" features in th...

+ Dunes, Tectonics and Possible Ice Volcanoes on Titan + Annotated version The bright landmass of an enigmatic area known as Xanadu and the intriguing lobed shapes of the Hotei Regio area ...

A pair of elongated filaments observed across the Sun by SDO (Solar Dynamics Observatory). 

This anaglyph from NASA's Dawn spacecraft shows degraded craters shows partially degraded craters and ridges in asteroid Vesta's Pinaria quadrangle. You need 3D glasses to view this image.

The Cassini spacecraft captures this dual portrait of an apparently dead moon and one that is very much alive. Tethys, in the foreground, shows no signs of recent geologic activity. Enceladus, howe...

Six of Saturn's moons orbiting within and beyond the planet's rings are collected in this Cassini spacecraft image.

This classic photograph of the Earth was taken on December 7, 1972. The original caption is reprinted below: View of the Earth as seen by the Apollo 17 crew traveling toward the moon. This translu...

Saturn's moon Prometheus casts a shadow near a streamer-channel created by the moon in the thin F ring in this image taken about a month after the planet's August 2009 equinox. Pandora (81 kilomet...

Similar in many ways, Saturn's moons Tethys and Rhea (left and right, respectively) even share a discoverer: Giovanni Cassini, namesake of the NASA spacecraft that captured this view.

This is one of the most detailed views of the surface of Triton taken by Voyager 2 on its flyby of the large satellite of Neptune early in the morning of Aug. 25, 1989.

                  Outer B Ring Edge December 3, 2004   Full-Res: PIA06535   This close-up of the lit side of Saturn's oute...

This frame from an animation shows dwarf planet Ceres overlaid with the concentration of hydrogen determined from data acquired by the gamma ray and neutron detector (GRaND) instrument aboard NASA'...

The Cassini spacecraft looks across Saturn's cloud-dotted north and shadowed pole, and out across the lanes of ice that compose its rings. Prometheus (102 kilometers, or 63 miles across) is visibl...

This spectacular image shows Prometheus (at right) and Pandora (at left), with their flock of icy ring particles (the F ring) between them. Pandora is exterior to the ring, and closer to the spacec...

The Cassini spacecraft, using its radar system, has discovered very strong evidence for hydrocarbon lakes on Titan. Dark patches, which resemble terrestrial lakes, seem to be sprinkled all over th...

The "H"-shaped region Fensal-Aztlan is faintly visible on Saturn's murky moon Titan in this enhanced clear-filter view from Cassini. While most of the light passing through the clear filters is vi...

Voyager 2's post-encounter view of Neptune's south pole as the spacecraft sped away on a southward trajectory.

The Cassini spacecraft records Titan's seasonal hemispheric dichotomy, with the moon's northern half appearing slightly lighter than the southern half in this image. See Two Halves of Titan to l...

+ Version with labels Cassini shot past the surface of Saturn's moon Enceladus on Aug. 11, 2008, acquiring a set of seven high-resolution images targeting known jet source locations on the...

Saturn's A ring displays a marked asymmetry in brightness between the region nearer to the Cassini spacecraft and the region farther from it. The A ring is the broad, bright section of the rings ou...